Flush control valve



FIG. 1 is a perspective view taken from the top, front and right side of a flush control valve showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a rear elevational view thereof.

The broken line representation of an outlet pipe in FIG. 1 is for designation purposes only and not a part of the claimed design. 

The ornamental design for a flush control valve, as shown and described. 